Rewrite mixin application handling in Fasta.

tests/language/mixin_mixin_type_arguments_test.dart

+// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:expect/expect.dart' show Expect;
+
+class A {}
+
+class B {}
+
+class C {}
+
+class D {}
+
+class E {}
+
+class F {}
+
+class M1<Tm1> {
+  m1() => "M1<$Tm1>";
+}
+
+class M2<Tm2> {
+  m2() => "M2<$Tm2>";
+}
+
+class M3<Tm3> {
+  m3() => "M3<$Tm3>";
+}
+
+class M4<Tm4> {
+  m4() => "M4<$Tm4>";
+}
+
+class M5<Tm5> {
+  m5() => "M5<$Tm5>";
+}
+
+class C1 = Object with M1, M2<A>, M3, M4<B>, M5<C>;
+
+class C2 = Object with M1<A>, M2<B>, M3<C>, M4<D>, M5<E>;
+
+class C3<T> = Object with M1<A>, M2<T>, M3, M4, M5<B>;
+
+class C4 extends Object with M1, M2<A>, M3, M4<B>, M5<C> {}
+
+class C5 extends Object with M1<A>, M2<B>, M3<C>, M4<D>, M5<E> {}
+
+class C6<T> extends Object with M1<A>, M2<T>, M3, M4, M5<B> {}
+
+class C7 = Object with M1<A>, M2<A>, M3<A>, M4<A>, M5<A>;
+
+class C8 extends Object with M1<A>, M2<A>, M3<A>, M4<A>, M5<A> {}
+
+class C9 = Object
+    with M1<List<A>>, M2<List<A>>, M3<List<A>>, M4<List<A>>, M5<List<A>>;
+
+class CA extends Object
+    with M1<List<A>>, M2<List<A>>, M3<List<A>>, M4<List<A>>, M5<List<A>> {}
+
+trace(x) => "${x.m1()}, ${x.m2()}, ${x.m3()}, ${x.m4()}, ${x.m5()}";
+
+main() {
+  Expect.stringEquals(
+      "M1<dynamic>, M2<A>, M3<dynamic>, M4<B>, M5<C>", trace(new C1()));
+  Expect.stringEquals("M1<A>, M2<B>, M3<C>, M4<D>, M5<E>", trace(new C2()));
+  Expect.stringEquals(
+      "M1<A>, M2<dynamic>, M3<dynamic>, M4<dynamic>, M5<B>", trace(new C3()));
+  Expect.stringEquals(
+      "M1<A>, M2<F>, M3<dynamic>, M4<dynamic>, M5<B>", trace(new C3<F>()));
+  Expect.stringEquals(
+      "M1<dynamic>, M2<A>, M3<dynamic>, M4<B>, M5<C>", trace(new C4()));
+  Expect.stringEquals("M1<A>, M2<B>, M3<C>, M4<D>, M5<E>", trace(new C5()));
+  Expect.stringEquals(
+      "M1<A>, M2<dynamic>, M3<dynamic>, M4<dynamic>, M5<B>", trace(new C6()));
+  Expect.stringEquals(
+      "M1<A>, M2<F>, M3<dynamic>, M4<dynamic>, M5<B>", trace(new C6<F>()));
+  Expect.stringEquals("M1<A>, M2<A>, M3<A>, M4<A>, M5<A>", trace(new C7()));
+  Expect.stringEquals("M1<A>, M2<A>, M3<A>, M4<A>, M5<A>", trace(new C8()));
+  Expect.stringEquals(
+      "M1<List<A>>, M2<List<A>>, M3<List<A>>, M4<List<A>>, M5<List<A>>",
+      trace(new C9()));
+  Expect.stringEquals(
+      "M1<List<A>>, M2<List<A>>, M3<List<A>>, M4<List<A>>, M5<List<A>>",
+      trace(new CA()));
+}